buffer: save offset

julienschmidt · julienschmidt · commit 620bcdd485a8 · 2013-10-25T20:29:22.000+02:00
diff --git a/buffer.go b/buffer.go
@@ -78,9 +78,10 @@ func (b *buffer) readNext(need int) ([]byte, error) {
 		}
 	}
 
+	offset := b.idx
 	b.idx += need
 	b.length -= need
-	return b.buf[b.idx-need : b.idx], nil
+	return b.buf[offset:b.idx], nil
 }
 
 // returns a buffer with the requested size.

Original file line number	Diff line number	Diff line change
`@@ -78,9 +78,10 @@ func (b *buffer) readNext(need int) ([]byte, error) {`
`78`	`78`	`}`
`79`	`79`	`}`
`80`	`80`
	`81`	`+ offset := b.idx`
`81`	`82`	`b.idx += need`
`82`	`83`	`b.length -= need`
`83`		`- return b.buf[b.idx-need : b.idx], nil`
	`84`	`+ return b.buf[offset:b.idx], nil`
`84`	`85`	`}`
`85`	`86`
`86`	`87`	`// returns a buffer with the requested size.`